CVE-2026-8569
Published: 14 May 2026
Summary
CVE-2026-8569 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Google Chrome. Its CVSS base score is 8.3 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 15.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-30386
Vulnerability details
Out of bounds write in Codecs in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
OOB write in browser codec enables remote code execution via malicious video file, directly facilitating client-side exploitation and sandbox escape (privilege escalation).
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.